Page 305 - Geothermal Energy Systems Exploration, Development, and Utilization
P. 305

5.8 Soultz-sous-Forets (France)  281


                                (o)
                            80



                           Production temperature at RH15 (°C)  60  Data
                            70








                                           A: polynomal fit to data
                            50
                                           B: best fit - b1/b2 = 5, n = 0.01
                                           C: Nicol and Robinson (1990)
                                           D: Bruel (1995)
                            40
                              0         200         400        600        800
                                       Circulation time since August 7, 1985 (days)
                         Figure 5.25  Production temperature of the long-term circu-
                         lation test at Rosemanowes: measurements and simulations.






























                         Figure 5.26  Flow channeling in fractures.
   300   301   302   303   304   305   306   307   308   309   310